Alert archive / Minnesota / Wind Chill Advisories in 2013

Wind Chill Advisory 13, NWS Duluth, MN

December 9, 201310 counties in Minnesota; 8 counties in Wisconsin

NWS Duluth, MN issued this wind chill advisory at Dec 9, 2013, 3:53 AM CST for 10 counties in Minnesota; 8 counties in Wisconsin. It took effect at Dec 9, 2013, 6:00 PM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 9, 2013, 3:53 AM CST (09:53 UTC)
In effect from: Dec 9, 2013, 6:00 PM CST
Expired: Dec 10, 2013, 2:27 AM CST
In force: 8 hr
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 15 km from the middle of the area, began a volume at 09:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.9 hours before the alert went out and 235 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this wind chill advisory went out at Dec 8, 11:52 PM CST, 4 hours 1 minute earlier.

Area forecast discussion, Dec 8, 11:52 PM CST, 4 hours 1 minute before

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Hazardous weather outlook, Dec 8, 8:13 PM CST, 7 hours 40 minutes before

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In the hours before

Local storm report, Dec 8, 10:20 PM CST, 5 hours 33 minutes before

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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 9, 3:58 AM CST	Heavy Freezing Spray Warning	DLH		18 hr
Dec 9, 5:10 AM CST	Wind Chill Advisory	DLH	Aitkin, Cass, Crow Wing, Itasca, Koochiching	4 hr

Nearby

Wind Chill Advisories in Minnesota, 2013 Wind Chill Advisories in Wisconsin, 2013 Every wind chill advisory in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.